"We would like to welcome you at the International Symposium Geomat - 2018, now at its sixth edition, which is intended as a landmark in the field of geomatics. The symposium will better highlight the importance of spatial reference data use in society, and especially in the field of engineering that has spatial information as its support. We wish you all a very pleasant stay in Iasi and a successful and interesting Symposium, which should bring new highlights, information and ideas to everybody."